Home / 251,724.64-347,365.68-144,271.84

Finding the Fourth Proportional to 251,724.64, 347,365.68 and 144,271.84

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Solution

The fourth proportional to 251,724.64, 347,365.68 and 144,271.84 is: 199,086.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,724.64 : 347,365.68 = 144,271.84 : x
  2. Step 2: Convert to fraction form
    251,724.64/347,365.68 = 144,271.84/x
  3. Step 3: Cross multiply
    251,724.64x = 347,365.68 × 144,271.84
  4. Step 4: Simplify right side
    251,724.64x = 50,115,085,806.45
  5. Step 5: Solve for x
    x = 50,115,085,806.45/251,724.64
  6. Step 6: Final answer
    x = 199,086.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.